CN110921760A - Wastewater decontamination material and preparation method thereof - Google Patents
Wastewater decontamination material and preparation method thereof Download PDFInfo
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- CN110921760A CN110921760A CN201911286210.0A CN201911286210A CN110921760A CN 110921760 A CN110921760 A CN 110921760A CN 201911286210 A CN201911286210 A CN 201911286210A CN 110921760 A CN110921760 A CN 110921760A
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- activated carbon
- decontamination material
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a wastewater decontamination material which comprises, by weight, 40-50 parts of activated carbon, 5-10 parts of talcum powder, 8-10 parts of sodium hydroxide, 10-15 parts of alum, 10-20 parts of polyvinyl alcohol, 4-5 parts of hydrogen peroxide, 20-30 parts of ammonium polyacrylate, 20-40 parts of corn straws, 10-15 parts of clay and 5-10 parts of gelatin; the raw materials are easy to obtain, the activated carbon is modified by hydrogen peroxide, the adsorption capacity of the activated carbon is improved, impurities in sewage are effectively flocculated by the flocculation effect of ammonium polyacrylate, and gelatin is adopted to mix the materials to play a role in stabilizing the material form.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and relates to a wastewater decontamination material.
The invention also relates to a preparation method of the wastewater decontamination material.
Background
The improvement of the living standard is accompanied by a plurality of negative effects, the domestic sewage is discharged at will, the industrial sewage is not treated and is converged into rivers, the irrecoverable disaster is caused to the nature, the sewage treatment situation is more severe, the current sewage treatment cost is high, so that a plurality of factories are reluctant to bear the high treatment cost, the sewage cannot be treated, the underground water is seriously polluted, the treatment effect is poor, the conversion rate is too low, and the problem of incomplete filtration cannot be solved. In the sewage treatment process, in order to ensure that sewage reaches the water quality requirement of being discharged into a certain water body or reused, people investigate that more than 100 sewage treatment plants are replaced, more serious problems exist, such as large problems of insufficient capital, high cost, low efficiency and the like, the common efficiency is less than 70 percent, the low efficiency is only 40 percent, along with the development of science and technology, the direct utilization of the sewage becomes possible, and a sewage source heat pump system is used for utilizing the urban raw sewage; however, the sewage treatment is not thorough, and the cost is high, so that the sewage treatment problem is serious year by year.
At present, the sewage treatment cost is high, and the operation is difficult, so that the provision of a high-efficiency sewage treatment material or method is significant.
Disclosure of Invention
The invention aims to provide a wastewater decontamination material, which realizes simplification of sewage treatment and more thorough treatment.
The first technical scheme adopted by the invention is that the waste water decontamination material comprises, by weight, 40-50 parts of activated carbon, 5-10 parts of talcum powder, 8-10 parts of sodium hydroxide, 10-15 parts of alum, 10-20 parts of polyvinyl alcohol, 4-5 parts of hydrogen peroxide, 20-30 parts of ammonium polyacrylate, 20-40 parts of corn straw, 10-15 parts of clay and 5-10 parts of gelatin.
The second technical scheme adopted by the invention is that the preparation method of the wastewater decontamination material adopts the wastewater decontamination material and is implemented according to the following steps:
step 1, weighing 40-50 parts of activated carbon, 5-10 parts of talcum powder, 8-10 parts of sodium hydroxide, 10-15 parts of alum, 10-20 parts of polyvinyl alcohol, 4-5 parts of hydrogen peroxide, 20-30 parts of ammonium polyacrylate, 20-40 parts of corn straw, 10-15 parts of clay and 5-10 parts of gelatin according to weight percentage;
step 2, crushing the corn straws, and then dispersing the crushed corn straws on a dispersion machine to prepare fibers;
step 3, mixing and stirring the activated carbon and hydrogen peroxide, and then putting the mixture into a dryer for drying;
step 4, grinding the activated carbon treated in the step 3 with talcum powder, sodium hydroxide, alum, ammonium polyacrylate and clay;
and 5, putting the milled raw materials into a dispersion machine, adding gelatin and polyvinyl alcohol, and finally pressing and molding the dispersed raw materials to prepare the wastewater decontamination material.
The second technical solution of the present invention is also characterized in that:
in the step 2, the corn straws are crushed to 1-2 cm and dispersed on a dispersion machine for 20-30 min;
in the step 3, the temperature of the dryer is 60-70 ℃, and the drying time is 10-20 min;
wherein in the step 4, all the materials after grinding are sieved by a 100-mesh sieve;
wherein in the step 5, the dispersion temperature in the dispersion machine is 60-80 ℃, and the dispersion time is 20 min;
and 5, performing compression molding, and then performing low-temperature cooling at the temperature of 5-8 ℃.
The invention has the beneficial effects that:
the raw materials are easy to obtain, the activated carbon is modified by hydrogen peroxide, the adsorption capacity of the activated carbon is improved, impurities in sewage are effectively flocculated by the flocculation effect of ammonium polyacrylate, and gelatin is adopted to mix the materials to stabilize the material form.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The invention provides a wastewater decontamination material which comprises, by weight, 40-50 parts of activated carbon, 5-10 parts of talcum powder, 8-10 parts of sodium hydroxide, 10-15 parts of alum, 10-20 parts of polyvinyl alcohol, 4-5 parts of hydrogen peroxide, 20-30 parts of ammonium polyacrylate, 20-40 parts of corn straws, 10-15 parts of clay and 5-10 parts of gelatin.
The invention also provides a preparation method of the wastewater decontamination material, which adopts the wastewater decontamination material and is implemented according to the following steps:
step 1, weighing 40-50 parts of activated carbon, 5-10 parts of talcum powder, 8-10 parts of sodium hydroxide, 10-15 parts of alum, 10-20 parts of polyvinyl alcohol, 4-5 parts of hydrogen peroxide, 20-30 parts of ammonium polyacrylate, 20-40 parts of corn straw, 10-15 parts of clay and 5-10 parts of gelatin according to weight percentage;
step 2, crushing the corn straws, then dispersing the crushed corn straws on a dispersion machine to prepare the crushed corn straws into fibers, crushing the corn straws into 1-2 cm, and dispersing the corn straws on the dispersion machine for 20-30 min;
step 3, mixing and stirring the activated carbon and hydrogen peroxide, and then putting the mixture into a dryer for drying, wherein the temperature of the dryer is 60-70 ℃, and the drying time is 10-20 min;
step 4, grinding the activated carbon treated in the step 3 with talcum powder, sodium hydroxide, alum, ammonium polyacrylate and clay, and sieving the ground materials with a 100-mesh sieve;
and 5, putting the milled raw materials into a dispersion machine, adding gelatin and polyvinyl alcohol, and finally pressing and forming the dispersed raw materials to prepare the wastewater decontamination material, wherein the dispersion temperature in the dispersion machine is 60-80 ℃, the dispersion time is 20min, and the temperature is cooled at 5-8 ℃ after pressing and forming.
The modification of the activated carbon refers to that the properties of the activated carbon are changed by means of alkali treatment or acid treatment and the like, surface functional groups are added, so that the activated carbon has certain catalytic properties, generally, the modified activated carbon is mostly used in the field of special applications or high-value products, and the modification of the activated carbon mainly changes the pore structure and changes the surface acidity and alkalinity of the activated carbon by physical and chemical treatment, or introduces or removes certain functional groups on the surface of the activated carbon, so that the activated carbon has special adsorption performance and catalytic properties. In addition, the preparation of activated carbon with different pore size distribution and different surface chemical characteristics can be realized by adopting different activation methods or different activators. The active carbon is subjected to oxidation modification on surface functional groups by an oxidant under proper conditions, so that the content of oxygen-containing functional groups is increased, and the adsorption capacity on polar substances is enhanced. The oxidizing agents are different, the types and the number of the functional groups contained in the modified surface are also different, and generally, the higher the oxidation degree is, the more the oxygen-containing functional groups are; therefore, the modified activated carbon has stronger adsorption capacity;
the talcum powder has excellent physical and chemical properties of lubricity, viscosity resistance, flow aid, fire resistance, acid resistance, insulativity, high melting point, chemical inactivity, good covering power, softness, good luster, strong adsorption power and the like, and can further enhance the adsorption capacity of the decontamination material;
the raw materials are easy to obtain, the activated carbon is modified by hydrogen peroxide, the adsorption capacity of the activated carbon is improved, impurities in sewage are effectively flocculated by the flocculation effect of ammonium polyacrylate, and gelatin is adopted to mix the materials to stabilize the material form.
Example 1
Step 1, weighing 50 parts of activated carbon, 10 parts of talcum powder, 10 parts of sodium hydroxide, 15 parts of alum, 20 parts of polyvinyl alcohol, 5 parts of hydrogen peroxide, 30 parts of ammonium polyacrylate, 40 parts of corn straw, 15 parts of clay and 10 parts of gelatin according to weight percentage;
step 2, crushing the corn straws, then dispersing the crushed corn straws on a dispersion machine to prepare fibers, crushing the corn straws to 2cm, and dispersing the corn straws on the dispersion machine for 30 min;
step 3, mixing and stirring the activated carbon and hydrogen peroxide, and then putting the mixture into a dryer for drying, wherein the temperature of the dryer is 70 ℃, and the drying time is 20 min;
step 4, grinding the activated carbon treated in the step 3 with talcum powder, sodium hydroxide, alum, ammonium polyacrylate and clay, and sieving the ground materials with a 100-mesh sieve;
and 5, putting the milled raw materials into a dispersion machine, adding gelatin and polyvinyl alcohol, and finally pressing and forming the dispersed raw materials to prepare the wastewater decontamination material, wherein the dispersion temperature in the dispersion machine is 80 ℃, the dispersion time is 20min, and the temperature is 8 ℃ after the pressing and forming.
Example 2
Step 1, weighing 40 parts of activated carbon, 5 parts of talcum powder, 8 parts of sodium hydroxide, 10 parts of alum, 10 parts of polyvinyl alcohol, 4 parts of hydrogen peroxide, 20 parts of ammonium polyacrylate, 20 parts of corn straw, 10 parts of clay and 5 parts of gelatin according to weight percentage;
step 2, crushing the corn straws, then dispersing the crushed corn straws on a dispersion machine to prepare fibers, crushing the corn straws to 1cm, and dispersing the corn straws on the dispersion machine for 20 min;
step 3, mixing and stirring the activated carbon and hydrogen peroxide, and then putting the mixture into a dryer for drying, wherein the temperature of the dryer is 60 ℃, and the drying time is 10 min;
step 4, grinding the activated carbon treated in the step 3 with talcum powder, sodium hydroxide, alum, ammonium polyacrylate and clay, and sieving the ground materials with a 100-mesh sieve;
and 5, putting the milled raw materials into a dispersion machine, adding gelatin and polyvinyl alcohol, and finally pressing and forming the dispersed raw materials to prepare the wastewater decontamination material, wherein the dispersion temperature in the dispersion machine is 60 ℃, the dispersion time is 20min, and the temperature is cooled at 5 ℃ after pressing and forming.
Example 3
Step 1, weighing 45 parts of activated carbon, 6 parts of talcum powder, 9 parts of sodium hydroxide, 12 parts of alum, 15 parts of polyvinyl alcohol, 4 parts of hydrogen peroxide, 25 parts of ammonium polyacrylate, 30 parts of corn straw, 12 parts of clay and 8 parts of gelatin according to weight percentage;
step 2, crushing the corn straws, then dispersing the crushed corn straws on a dispersion machine to prepare fibers, crushing the corn straws to 1cm, and dispersing the corn straws on the dispersion machine for 25 min;
step 3, mixing and stirring the activated carbon and hydrogen peroxide, and then putting the mixture into a dryer for drying, wherein the temperature of the dryer is 65 ℃, and the drying time is 15 min;
step 4, grinding the activated carbon treated in the step 3 with talcum powder, sodium hydroxide, alum, ammonium polyacrylate and clay, and sieving the ground materials with a 100-mesh sieve;
and 5, putting the milled raw materials into a dispersion machine, adding gelatin and polyvinyl alcohol, and finally pressing and forming the dispersed raw materials to prepare the wastewater decontamination material, wherein the dispersion temperature in the dispersion machine is 70 ℃, the dispersion time is 20min, and the temperature is cooled at 6 ℃ after pressing and forming.
Claims (7)
1. The waste water decontamination material is characterized by comprising, by weight, 40-50 parts of activated carbon, 5-10 parts of talcum powder, 8-10 parts of sodium hydroxide, 10-15 parts of alum, 10-20 parts of polyvinyl alcohol, 4-5 parts of hydrogen peroxide, 20-30 parts of ammonium polyacrylate, 20-40 parts of corn straws, 10-15 parts of clay and 5-10 parts of gelatin.
2. A preparation method of a wastewater decontamination material, which adopts the wastewater decontamination material of claim 1, is characterized by comprising the following steps:
step 1, weighing 40-50 parts of activated carbon, 5-10 parts of talcum powder, 8-10 parts of sodium hydroxide, 10-15 parts of alum, 10-20 parts of polyvinyl alcohol, 4-5 parts of hydrogen peroxide, 20-30 parts of ammonium polyacrylate, 20-40 parts of corn straw, 10-15 parts of clay and 5-10 parts of gelatin according to weight percentage;
step 2, crushing the corn straws, and then dispersing the crushed corn straws on a dispersion machine to prepare fibers;
step 3, mixing and stirring the activated carbon and hydrogen peroxide, and then putting the mixture into a dryer for drying;
step 4, grinding the activated carbon treated in the step 3 with talcum powder, sodium hydroxide, alum, ammonium polyacrylate and clay;
and 5, putting the milled raw materials into a dispersion machine, adding gelatin and polyvinyl alcohol, and finally pressing and molding the dispersed raw materials to prepare the wastewater decontamination material.
3. The method for preparing the wastewater decontamination material according to the claim 2, wherein in the step 2, the corn stalks are crushed to 1-2 cm and dispersed on a dispersion machine for 20-30 min.
4. The method for preparing the wastewater decontamination material according to claim 2, wherein in the step 3, the temperature of the dryer is 60-70 ℃, and the drying time is 10-20 min.
5. A method as claimed in claim 2, wherein in step 4, the respective materials after grinding are passed through a 100 mesh screen.
6. The method for preparing the wastewater decontamination material according to claim 2, wherein in the step 5, the dispersion temperature in the dispersion machine is 60-80 ℃, and the dispersion time is 20 min.
7. The method for preparing the wastewater decontamination material according to claim 2, wherein the temperature of the low-temperature cooling is 5-8 ℃ after the compression molding in the step 5.
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| CN201911286210.0A CN110921760A (en) | 2019-12-13 | 2019-12-13 | Wastewater decontamination material and preparation method thereof |
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| CN201911286210.0A CN110921760A (en) | 2019-12-13 | 2019-12-13 | Wastewater decontamination material and preparation method thereof |
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| CN110921760A true CN110921760A (en) | 2020-03-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618009A (en) * | 2023-04-17 | 2023-08-22 | 哈尔滨工业大学（深圳） | Preparation method of adsorbent for wastewater treatment, product and application of adsorbent |
Citations (4)
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| CN106335990A (en) * | 2016-08-24 | 2017-01-18 | 安徽正田能源科技有限公司 | Purificant for silicon wafer processing wastewater and preparation method thereof |
| CN107311247A (en) * | 2017-07-12 | 2017-11-03 | 光合文旅控股股份有限公司 | A kind of gardens sewage disposal system and its processing method |
| CN108557943A (en) * | 2018-04-16 | 2018-09-21 | 合肥聪亨新型建材科技有限公司 | A kind of special water purification agent of wastewater treatment and preparation method thereof |
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2019
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944541A (en) * | 2014-03-25 | 2015-09-30 | 刘自忠 | Acidic dye wastewater treatment agent |
| CN106335990A (en) * | 2016-08-24 | 2017-01-18 | 安徽正田能源科技有限公司 | Purificant for silicon wafer processing wastewater and preparation method thereof |
| CN107311247A (en) * | 2017-07-12 | 2017-11-03 | 光合文旅控股股份有限公司 | A kind of gardens sewage disposal system and its processing method |
| CN108557943A (en) * | 2018-04-16 | 2018-09-21 | 合肥聪亨新型建材科技有限公司 | A kind of special water purification agent of wastewater treatment and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116618009A (en) * | 2023-04-17 | 2023-08-22 | 哈尔滨工业大学（深圳） | Preparation method of adsorbent for wastewater treatment, product and application of adsorbent |
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Application publication date: 20200327 |